PAIR OF TELEFUNKEN ECC82 / 12AU7
TESTED TUBETESTER
DATA SHEET Ia =10.5 mA / S 2.2 mA
RESULTS TUBE 1 = Ia 12.0-12.3 mA S 2.5-2.4 mA/V
RESULTS TUBE 2 = Ia 9.3-9.1 mA S 2.4-2.3 mA/V
LONG RIBBED PLATES, RING GETTER
DIAMOND ◊ BETWEEN THE PINS
MADE IN BERLIN GERMANY, 60's PRODUCTION
IN NEW TELEFUNKEN REPRO PAPER BOX